HET Night Report Reader

Civil Date	Ephemerides
2025-05-22	Sunset			Sunrise			Moon
	Set	12°	18°	18°	12°	Rise	Rise	Set
	01:56	02:48	03:22	10:23	10:57	11:49	09:08	-
Night Length	7:01		Sunset Temperature

On-Duty Personnel
Resident Astronomer	Telescope Operator
Sergey Rostopchin	Nathan McReynolds

Overlaps		none

Other Personnel	none

Guests	none

Open/Close Log
Open time	Outdoor temp	Truss temp	Close time	Reason	Time open
01:46	26.3	23.8	10:43	twilight	08:57
Total Time Open					8:57

Program	Night Priority	Science
03:22	Science
06:59	Idle due to weather (clouds)
07:08	Science
08:29	Idle due to weather (clouds)
09:29	Science

Stack Data
Start	Stop	ee50	ee80	Hefi Focus	Mars Focus	Outside Temp	Dome Temp	Truss Temp	Wind Direction	Wind Speed	Stack Type
02:22	02:59	0.45	0.68	230	+718	21.5	22.4	22.7	129	12	First of Night
10:33	10:43	1.07	1.72	40	+3288	20.1	20.7	20.9	191	18	Post-Observing

Problem Reports
PR Number	Times	Time Lost	Description	Response
6487	10:43-11:08	00:25	CCAS tower shutter won't close

TO Comments	none

RA Comments	none

Observations
File	Target/QID	Exp Start	Exposure	Overhead	Program	Instrument Configuration	Data Type	IQ	Dimm	SkySBrt	Skytrans	SNR	Comments	Charge
lrs20000001_01	skyflat	02:02	7			LRS2	cal							Yes
lrs20000002_01	skyflat	02:03	10			LRS2	cal							Yes
lrs20000003_01	skyflat	02:04	13			LRS2	cal							Yes
lrs20000004_01	skyflat	02:05	16			LRS2	cal							Yes
lrs20000005_01	skyflat	02:06	22			LRS2	cal							Yes
lrs20000006_01	skyflat	02:08	30			LRS2	cal							Yes
virus0000001_01	skyflat	02:11	7			VIRUS	cal							Yes
virus0000002_01	skyflat	02:13	10			VIRUS	cal							Yes
virus0000003_01	skyflat	02:14	14			VIRUS	cal							Yes
virus0000004_01	skyflat	02:15	18			VIRUS	cal							Yes
virus0000005_01	skyflat	02:17	26			VIRUS	cal							Yes
lrs20000007_01	BD+262606_056_E	03:04	60	4.0		LRS2	spec	1.62		21.73	0.69			Yes
lrs20000008_01	BD+262606_066_E	03:07	30	2.5		LRS2	spec	1.41		20.94	0.86			Yes
0001	test_drk_donotuse	03:13	10.7			HPF	cal							Yes
0002	HR5372_tell_std	03:14	330.2	6.5		HPF	telluric	1.49		20.44	0.81			Yes
0003	LFC Cal	03:21	106.5			HPF	cal							Yes
0004	test_drk_donotuse	03:26	10.7			HPF	cal							Yes
virus0000006_01	parallel	03:26	903			VIRUS	sci							Yes
0005	QID 2556	03:27	415.4	7.1	UT25-2-012	HPF	sci	1.52	1.21	20.57	0.79	83		P4
0006	QID 2556	03:34	415.4	0.1	UT25-2-012	HPF	sci	1.47	1.31	20.57	0.78	82		P4
0007	LFC Cal	03:48	106.5			HPF	cal							Yes
lrs20000009_01	QID 1758	03:48	180	7.0	UT25-2-018	LRS2-B	sci	1.57	0.96	22.01	0.81			P4
0008	LFC Cal	03:55	106.5			HPF	cal							Yes
virus0000007_01	parallel	03:55	360			VIRUS	sci							Yes
lrs20000010_01	QID 1759	03:55	360	4.0	UT25-2-018	LRS2-R	sci	1.59	1.01	21.02	0.92			P4
0009	LFC Cal	03:58	106.5			HPF	cal							Yes
0010	LFC Cal	04:02	106.5			HPF	cal							Yes
0011	test_drk_donotuse	04:06	10.7			HPF	cal							Yes
0012	QID 2571	04:07	969.1	5.8	PSU25-2-016	HPF	sci	1.46	1.30	20.36	0.77	191		Yes
virus0000008_01	parallel	04:07	2047			VIRUS	sci							Yes
0013	QID 2571	04:24	969.1	0.8	PSU25-2-016	HPF	sci	1.48	1.21	20.32	0.78	203		Yes
0014	LFC Cal	04:43	106.5			HPF	cal							Yes
virus0000009_01	parallel	04:46	900			VIRUS	sci							Yes
0015	LFC Cal	04:47	106.5			HPF	cal							Yes
lrs20000011_01	QID 2518	04:47	900	7.0	UT25-2-003	LRS2-B	sci	1.45	1.04	21.87	0.77			Yes
0016	LFC Cal	04:49	106.5			HPF	cal							Yes
0017	LFC Cal	04:51	106.5			HPF	cal							Yes
0018	LFC Cal	05:03	106.5			HPF	cal							Yes
0019	LFC Cal	05:08	106.5			HPF	cal							Yes
virus0000010_01	parallel	05:08	900			VIRUS	sci							Yes
lrs20000012_01	QID 2519	05:08	900	6.0	UT25-2-003	LRS2-B	sci	1.55	0.98	21.87	0.71			Yes
0020	LFC Cal	05:11	106.5			HPF	cal							Yes
0021	LFC Cal	05:13	106.5			HPF	cal							Yes
0022	LFC Cal	05:24	106.5			HPF	cal							Yes
virus0000011_01	parallel	05:27	900			VIRUS	sci							Yes
0023	LFC Cal	05:28	106.5			HPF	cal							Yes
lrs20000013_01	QID 2524	05:28	900	5.0	UT25-2-003	LRS2-B	sci	1.63	1.01	22.10	0.74			Yes
0024	LFC Cal	05:30	106.5			HPF	cal							Yes
0025	LFC Cal	05:32	106.5			HPF	cal							Yes
0026	LFC Cal	05:44	106.5			HPF	cal							Yes
0027	test_drk_donotuse	05:47	10.7			HPF	cal							Yes
0028	QID 178	05:48	308.9	4.9	UT25-2-011	HPF	sci	1.61	1.32	20.62	0.87	314		Yes
virus0000012_01	parallel	05:48	1060			VIRUS	sci							Yes
0029	QID 178	05:54	308.9	0.9	UT25-2-011	HPF	sci	1.74	1.20	20.62	0.87	306		Yes
0030	QID 178	06:00	308.9	0.9	UT25-2-011	HPF	sci	1.68	1.15	20.67	0.86	308		Yes
0031	LFC Cal	06:06	106.5			HPF	cal							Yes
0032	test_drk_donotuse	06:09	10.7			HPF	cal							Yes
0033	QID 157	06:10	915.9	4.7	G25-2-002	HPF	sci	1.58	1.23	20.56	0.78	37		Yes
virus0000013_01	parallel	06:10	1959			VIRUS	sci							Yes
0034	QID 157	06:26	915.9	1.7	G25-2-002	HPF	sci	1.53	1.46	20.55	0.74	34		Yes
0035	LFC Cal	06:44	106.5			HPF	cal							Yes
0036	test_drk_donotuse	06:49	10.7			HPF	cal							Yes
0037	QID 260	06:50	95.9	7.4	PSU25-2-005	HPF	sci	1.66	1.10	20.51	0.92	452		P4
0038	LFC Cal	06:53	106.5			HPF	cal							Yes
0039	LFC Cal	06:58	106.5			HPF	cal							Yes
virus0000014_01	parallel	06:58	600			VIRUS	sci							Yes
lrs20000014_01	QID 1973	06:58	600	7.0	UT25-2-018	LRS2-R	sci	1.68	1.06	21.13	1.03		clouds	No
0040	LFC Cal	07:01	106.5			HPF	cal							Yes
0041	LFC Cal	07:03	106.5			HPF	cal							Yes
0042	LFC Cal	07:09	106.5			HPF	cal							Yes
lrs20000015_01	parallel	07:12	1000			LRS2	sci							Yes
virus0000015_01	QID 158	07:12	1000	4.3	UT25-2-014	VIRUS	sci	1.69	0.98	23.01	0.90			Yes
0043	LFC Cal	07:13	106.5			HPF	cal							Yes
0044	LFC Cal	07:15	106.5			HPF	cal							Yes
0045	LFC Cal	07:17	106.5			HPF	cal							Yes
lrs20000015_02	parallel	07:30	1000			LRS2	sci							Yes
virus0000015_02	QID 158	07:30	1000	1.3	UT25-2-014	VIRUS	sci	1.72	0.89	22.89	0.92			Yes
lrs20000015_03	parallel	07:48	1000			LRS2	sci							Yes
virus0000015_03	QID 158	07:48	1000	1.3	UT25-2-014	VIRUS	sci	1.76	1.29	22.88	0.89			Yes
0046	LFC Cal	08:06	106.5			HPF	cal							Yes
0047	LFC Cal	08:09	106.5			HPF	cal							Yes
lrs20000016_01	parallel	08:09	360			LRS2	sci							Yes
virus0000016_01	QID 1396	08:09	360	4.0	UT25-2-017	VIRUS	sci	1.90	1.48	22.23	0.82			Yes
0048	LFC Cal	08:12	106.5			HPF	cal							Yes
lrs20000016_02	parallel	08:16	360			LRS2	sci							Yes
virus0000016_02	QID 1396	08:16	360	1.0	UT25-2-017	VIRUS	sci	1.82	1.01	22.25	0.80			Yes
lrs20000016_03	parallel	08:23	360			LRS2	sci							Yes
virus0000016_03	QID 1396	08:23	360	1.0	UT25-2-017	VIRUS	sci	1.84	1.06	22.27	0.79			Yes
0049	LFC Cal	08:31	106.5			HPF	cal							Yes
0050	LFC Cal	08:33	106.5			HPF	cal							Yes
lrs20000017_01	parallel	08:33	360			LRS2	sci							Yes
virus0000017_01	QID 1394	08:33	360	4.0	UT25-2-017	VIRUS	sci	1.88	1.20	22.28	0.76		clouds during last dither	No
0051	LFC Cal	08:36	106.5			HPF	cal							Yes
lrs20000017_02	parallel	08:40	360			LRS2	sci							Yes
virus0000017_02	QID 1394	08:40	360	1.0	UT25-2-017	VIRUS	sci	1.88	1.09	22.22	0.70			No
lrs20000017_03	parallel	08:47	360			LRS2	sci							Yes
virus0000017_03	QID 1394	08:47	360	1.0	UT25-2-017	VIRUS	sci	2.10	1.42	22.18	0.70			No
0052	LFC Cal	08:55	106.5			HPF	cal							Yes
0053	test_drk_donotuse	08:59	10.7			HPF	cal							Yes
0054	QID 2567	09:00	969.1	6.8	UT25-2-023	HPF	sci	2.05	1.31	20.50	0.47	16	clouds	No
virus0000018_01	parallel	09:00	2047			VIRUS	sci							Yes
virus0000019_01	P177D_034_W	09:34	60	5.0		VIRUS	spec	1.88		21.99	0.80			Yes
virus0000019_02	P177D_034_W	09:37	60	2.0		VIRUS	spec	2.18		21.94	0.78			Yes
virus0000019_03	P177D_034_W	09:39	60	1.0		VIRUS	spec	2.03		21.74	0.17			Yes
virus0000020_01	P330E_034_W	09:47	60	7.0		VIRUS	spec	2.19	1.35	21.87	0.80			Yes
virus0000020_02	P330E_034_W	09:49	60	1.0		VIRUS	spec	1.95	1.08	21.85	0.81			Yes
virus0000020_03	P330E_034_W	09:52	60	2.0		VIRUS	spec	2.40	1.33	21.83	0.79			Yes
0055	test_drk_donotuse	09:59	10.7			HPF	cal							Yes
virus0000021_01	parallel	09:59	2047			VIRUS	sci							Yes
0056	QID 1529	10:00	969.1	6.8	UT25-2-008	HPF	sci	1.88	1.15	20.43	0.75	68		Yes
0057	QID 1529	10:17	969.1	0.8	UT25-2-008	HPF	sci	1.95	0.92	20.35	0.66	56		Yes
0058	LFC Cal	10:35	106.5			HPF	cal							Yes
lrs20000018_01	bias	10:36	0			LRS2	cal							Yes
virus0000022_01	bias	10:36	0			VIRUS	cal							Yes
virus0000023_01	Cd-A	10:41	15		ENG25-2-002	VIRUS	cal							Yes
virus0000024_01	Hg	10:42	15		ENG25-2-002	VIRUS	cal							Yes
0059	Dark	10:49	319.5			HPF	cal							Yes
0060	Quartz FCU	11:01	74.5			HPF	cal							Yes
0061	Quartz FCU	11:03	74.5			HPF	cal							Yes
0062	Quartz FCU	11:04	74.5			HPF	cal							Yes
0063	Quartz FCU	11:06	74.5			HPF	cal							Yes
0064	Quartz FCU	11:08	74.5			HPF	cal							Yes
0065	Quartz FCU	11:10	74.5			HPF	cal							Yes
0066	Quartz FCU	11:11	74.5			HPF	cal							Yes
0067	Alpha Bright Cal	11:14	85.2			HPF	cal							Yes
0068	Alpha Bright Cal	11:16	85.2			HPF	cal							Yes
0069	Alpha Bright Cal	11:18	85.2			HPF	cal							Yes
0070	Alpha Bright Cal	11:20	85.2			HPF	cal							Yes
0071	LFC FCU	11:22	106.5			HPF	cal							Yes
0072	LFC FCU	11:25	106.5			HPF	cal							Yes
0073	LFC FCU	11:27	106.5			HPF	cal							Yes
0074	LFC FCU	11:29	106.5			HPF	cal							Yes
0075	LFC FCU	11:32	106.5			HPF	cal							Yes
0076	LFC FCU	11:34	106.5			HPF	cal							Yes
0077	LFC Cal	11:37	106.5			HPF	cal							Yes
0078	LFC Cal	11:39	106.5			HPF	cal							Yes
0079	Etalon Cal	11:47	159.8			HPF	cal							Yes
0080	Etalon Cal	11:50	159.8			HPF	cal							Yes
0081	Etalon Cal	11:53	159.8			HPF	cal							Yes
0082	Etalon Cal	11:57	159.8			HPF	cal							Yes
0083	UNe Slave Cal	12:00	426			HPF	cal							Yes
0084	UNe Slave Cal	12:08	426			HPF	cal							Yes
0085	UNe Slave Cal	12:16	426			HPF	cal							Yes
0086	UNe Slave Cal	12:23	426			HPF	cal							Yes
0087	UNe Slave Cal	12:31	426			HPF	cal							Yes
0088	UNe Slave Cal	12:39	426			HPF	cal							Yes
0086	LFC Cal	21:39	106.5			HPF	cal							Yes
lrs20009900_01	bias	21:50	0			LRS2	cal							Yes
virus0009900_01	flat_Qth	21:51	20			VIRUS	cal							Yes
virus0009901_01	bias	21:53	0			VIRUS	cal							Yes
lrs20009901_01	flat_ldls_long_B	21:53	20			LRS2	cal							Yes
virus0009902_01	dark	21:55	15			VIRUS	cal							Yes
lrs20009902_01	Cd-A_B	21:55	38			LRS2	cal							Yes
lrs20009903_01	FeAr_R	21:57	15			LRS2	cal							Yes
lrs20009904_01	Hg_B	21:58	15			LRS2	cal							Yes
virus0009905_01	dark	22:00	15			VIRUS	cal							Yes
virus0009906_01	bias	22:02	0			VIRUS	cal							Yes
0087	Dark	22:06	319.5			HPF	cal							Yes
0088	Quartz FCU	22:12	74.5			HPF	cal							Yes
0089	Quartz FCU	22:14	74.5			HPF	cal							Yes
0090	Quartz FCU	22:16	74.5			HPF	cal							Yes
0091	Quartz FCU	22:17	74.5			HPF	cal							Yes
0092	Quartz FCU	22:19	74.5			HPF	cal							Yes
0093	Quartz FCU	22:21	74.5			HPF	cal							Yes
0094	Quartz FCU	22:23	74.5			HPF	cal							Yes
0095	Alpha Bright Cal	22:25	85.2			HPF	cal							Yes
0096	Alpha Bright Cal	22:27	85.2			HPF	cal							Yes
0097	Alpha Bright Cal	22:29	85.2			HPF	cal							Yes
0098	Alpha Bright Cal	22:31	85.2			HPF	cal							Yes
0099	LFC FCU	22:34	106.5			HPF	cal							Yes
0100	LFC FCU	22:36	106.5			HPF	cal							Yes
0101	LFC Cal	22:39	106.5			HPF	cal							Yes
0102	LFC Cal	22:41	106.5			HPF	cal							Yes
0103	Etalon Cal	22:44	159.8			HPF	cal							Yes
0104	UNe Slave Cal	22:47	426			HPF	cal							Yes
lrs20000022_01	flat_Qth_R	22:49	15			LRS2	cal							Yes
lrs20000022_02	flat_Qth_R	22:50	15			LRS2	cal							Yes
lrs20000022_03	flat_Qth_R	22:52	15			LRS2	cal							Yes
lrs20000022_04	flat_Qth_R	22:53	15			LRS2	cal							Yes
lrs20000022_05	flat_Qth_R	22:54	15			LRS2	cal							Yes
0105	UNe Slave Cal	22:55	426			HPF	cal							Yes
lrs20000023_01	flat_ldls_long_B	22:55	20			LRS2	cal							Yes
lrs20000023_02	flat_ldls_long_B	22:57	20			LRS2	cal							Yes
lrs20000023_03	flat_ldls_long_B	22:58	20			LRS2	cal							Yes
lrs20000024_01	Cd-A_B	22:59	38			LRS2	cal							Yes
lrs20000024_02	Cd-A_B	23:01	38			LRS2	cal							Yes
lrs20000024_03	Cd-A_B	23:02	38			LRS2	cal							Yes
0106	UNe Slave Cal	23:03	426			HPF	cal							Yes
lrs20000025_01	FeAr_R	23:04	15			LRS2	cal							Yes
lrs20000025_02	FeAr_R	23:05	15			LRS2	cal							Yes
lrs20000025_03	FeAr_R	23:07	15			LRS2	cal							Yes
lrs20000026_01	Hg_R	23:08	20			LRS2	cal							Yes
lrs20000026_02	Hg_R	23:09	20			LRS2	cal							Yes
0107	UNe Slave Cal	23:11	426			HPF	cal							Yes
lrs20000026_03	Hg_R	23:11	20			LRS2	cal							Yes
lrs20000027_01	Hg_B	23:12	15			LRS2	cal							Yes
lrs20000027_02	Hg_B	23:13	15			LRS2	cal							Yes
lrs20000027_03	Hg_B	23:14	15			LRS2	cal							Yes
0108	UNe Slave Cal	23:19	426			HPF	cal							Yes
virus0000025_01	flat_ldls_long	23:21	15			VIRUS	cal							Yes
virus0000025_02	flat_ldls_long	23:22	15			VIRUS	cal							Yes
virus0000025_03	flat_ldls_long	23:24	15			VIRUS	cal							Yes
virus0000026_01	Cd-A	23:25	15			VIRUS	cal							Yes
0109	UNe Slave Cal	23:26	426			HPF	cal							Yes
virus0000026_02	Cd-A	23:26	15			VIRUS	cal							Yes
virus0000026_03	Cd-A	23:28	15			VIRUS	cal							Yes
virus0000027_01	Hg	23:29	15			VIRUS	cal							Yes
virus0000027_02	Hg	23:31	15			VIRUS	cal							Yes
virus0000027_03	Hg	23:32	15			VIRUS	cal							Yes
lrs20000028_01	bias	23:33	0			LRS2	cal							Yes
virus0000028_01	bias	23:34	0			VIRUS	cal							Yes
lrs20000028_02	bias	23:34	0			LRS2	cal							Yes
virus0000028_02	bias	23:34	0			VIRUS	cal							Yes
lrs20000028_03	bias	23:35	0			LRS2	cal							Yes
virus0000028_03	bias	23:35	0			VIRUS	cal							Yes
lrs20000028_04	bias	23:36	0			LRS2	cal							Yes
virus0000028_04	bias	23:36	0			VIRUS	cal							Yes
lrs20000028_05	bias	23:37	0			LRS2	cal							Yes
virus0000028_05	bias	23:37	0			VIRUS	cal							Yes
lrs20000028_06	bias	23:38	0			LRS2	cal							Yes
virus0000028_06	bias	23:38	0			VIRUS	cal							Yes
lrs20000028_07	bias	23:39	0			LRS2	cal							Yes
virus0000028_07	bias	23:39	0			VIRUS	cal							Yes
lrs20000028_08	bias	23:39	0			LRS2	cal							Yes
virus0000028_08	bias	23:40	0			VIRUS	cal							Yes
lrs20000028_09	bias	23:40	0			LRS2	cal							Yes
virus0000028_09	bias	23:41	0			VIRUS	cal							Yes
lrs20000028_10	bias	23:41	0			LRS2	cal							Yes
virus0000028_10	bias	23:41	0			VIRUS	cal							Yes
lrs20000028_11	bias	23:42	0			LRS2	cal							Yes
virus0000028_11	bias	23:42	0			VIRUS	cal							Yes
lrs20000029_01	dark	23:43	360			LRS2	cal							Yes
virus0000029_01	dark	23:43	360			VIRUS	cal							Yes
lrs20000029_02	dark	23:50	360			LRS2	cal							Yes
virus0000029_02	dark	23:50	360			VIRUS	cal							Yes
lrs20000029_03	dark	23:57	360			LRS2	cal							Yes
virus0000029_03	dark	23:57	360			VIRUS	cal							Yes